RS.AN-03: Analysis is performed to establish what has taken place during an incident and the root cause of the incident

Provide and implement an audit record reduction and report generation capability that: Supports on-demand audit record review, analysis, and reporting requirements and after-the-fact investigations of incidents; and Does not alter the original content or time ordering of audit records.

Implement an incident handling capability for incidents that is consistent with the incident response plan and includes preparation, detection and analysis, containment, eradication, and recovery; Coordinate incident handling activities with contingency planning activities; Incorporate lessons learned from ongoing incident handling activities into incident response procedures, training, and testing, and implement the resulting changes accordingly; and…